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The Following Parts Are Involved In Breathing Process Except? - Erudites Academy

The following parts are involved in breathing process except?

by | Sep 5 | Biology JAMB | 0 comments

A. mouth
B. nostrils
C. ribs
D. diaphragm

Correct Answer:

Option A – mouth

Explanation

The act of breathing has two stages – inhalation and exhalation

– Inhalation – the intake of air into the lungs through expansion of chest volume.

– Exhalation – the expulsion of air from the lungs through contraction of chest volume.

Inhalation and exhalation involve muscles:

– Rib muscles = the muscles between the ribs in the chest.
– Diaphragm muscle

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